Highway bridge expansion device sealing protection structure: Fid-Bau Portal

Highway bridge expansion device sealing protection structure

ZHOU YUQIAN / ZHU ZHERAN

The invention discloses a highway bridge expansion device sealing protection structure which comprises two foundations, the opposite ends of the two foundations are fixedly connected with embedded parts, a connecting plate is arranged between the two embedded parts, an umbrella-shaped plate is installed on the top of the connecting plate, a replacement mechanism is arranged between the connecting plate and the umbrella-shaped plate, a bottom plate is arranged on the lower side of the connecting plate, a damping and buffering mechanism is arranged between the connecting plate and the bottom plate, fixing rods are fixedly connected with the opposite ends of two second limiting blocks, the two fixing rods penetrate through the bottom plate and are in sliding connection with the bottom plate, and the two fixing rods are fixedly connected with the embedded parts. The structure is reasonable, a worn umbrella-shaped plate can be replaced through the replacement mechanism, operation is easy, and safety is high; and the device can be prevented from being collided to damage internal parts through the damping and buffering mechanism, and the service life of the device is prolonged.

本发明公开了一种公路桥梁伸缩装置密封防护结构，包括两个地基，两个所述地基的相对端均固定连接有预埋件，两个所述预埋件之间设有连接板，所述连接板的顶部安装有伞状板，所述连接板与伞状板之间设有更换机构，所述连接板的下侧设有底板，所述连接板与底板之间设有减震缓冲机构，两个所述第二限位块的相背端均固定连接有固定杆，两个所述固定杆均贯穿底板并与其滑动连接，两个所述固定杆分别与预埋件固定连接。本发明结构合理，通过更换机构能将磨损的伞状板进行更换，操作简单，安全性高；通过减震缓冲机构能保护装置避免碰撞而造成内部零件的损坏，延长装置的使用寿命。

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